Specifications

Unit

YDBZ-23

YDBZ-26

YDBZ-36

1

Hydraulic hammer model

230

260

360

2

Drill rod diameter

mm

68

75

85

3

Engineer power

kw

Single Cylinder 23kw

Double cylinder 27kw

4 cylinder 33kw

4

Hydraulic system pressure

mpa

16-20

16-20

16-20

5

The hydraulic system flow rate

ml/r

40-50

40-50

63-80

6

Nitrogen gas pressure range

Mpa

1±0.1

1.7±0.1

1.7±0.1

7

Hydraulic hammer impact frequency

bpm

500-900

400-800

400-800

8

Hydraulic hammer work flow

l/min

40-70

50-90

50-90

9

Working pressure of hydraulic hammer

Mpa

 9-11

 11-14

 12-15

10

Working stroke of hydraulic hammer

mm

450-2800

450-2800

450-2800

11

Piling efficiency

mm/min

2100

2400

2700

12

Net weight

kg

about 2000

about 2100

about 2200

13

Steel post diameter